MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm for phishing or malware distribution. The presence of 'utm_term' parameters in some URLs indicates an attempt to track user engagement with these lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://infrive.ru/uplcv?utm_term=little+witch+academia+watch+free PDF link annotation
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/nsn3k3ssbfutr3uu6vcja1ui8n/fisazoxak.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083dbf333d02---94755788182.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/305d8c4047719374728d62b7f4e4a195/60267019594.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/3246662a5c80ce1ca320f3c543bd061b/lekuka.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a05c5f7dc---95066524511.pdfIn PDF document text
- http://novichiha.ru/pic/file/48916001684.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/33788c9f171f6ea25201e87fbfb21f7b/fakiwevamuwalaj.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/bnagl1p0jc6s2g31r9ni2v44u7/50019571165.pdfIn PDF document text
- http://belgium-ex.com/images/blog//file/68386333110.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/ecbc9fb1dc5e9edc42cbc9ff9f868683/gapifetinitozenuk.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083656943652---26330872746.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/vu75r4ejq5qkllgfghonmqbp5j/62338514296.pdfIn PDF document text
- http://www.heksan.com.pl/file/90594683920.pdfIn PDF document text
- http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a16d16a2db---fifumig.pdfIn PDF document text
- https://blokhol.com/upload/files/43334930694.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160932bfb6166b---21323579297.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-5-17/20210517002233238108.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac99fbeb8d4---vetewerilunasites.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/robipabudumitoge.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF351 | 5116 bytes |
SHA-256: 8074c327dbd7c644281f47f741f226bbe0df296b411b65e8d624c12f512d33de |
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font_01_sfnt_off000104a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A6 | 11596 bytes |
SHA-256: f28541916a968fefe39e3ee9470f6cdd68afe3f7cdd2bb733758baeb2c3027a2 |
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